| 1 | // SPDX-FileCopyrightText: 2014 Helge Deller <deller@gmx.de> |
| 2 | // |
| 3 | // SPDX-License-Identifier: LGPL-2.1-or-later |
| 4 | |
| 5 | #ifndef _URCU_ARCH_HPPA_H |
| 6 | #define _URCU_ARCH_HPPA_H |
| 7 | |
| 8 | /* |
| 9 | * arch/hppa.h: definitions for hppa architecture |
| 10 | */ |
| 11 | |
| 12 | #include <urcu/compiler.h> |
| 13 | #include <urcu/config.h> |
| 14 | #include <urcu/syscall-compat.h> |
| 15 | |
| 16 | #ifdef __cplusplus |
| 17 | extern "C" { |
| 18 | #endif |
| 19 | |
| 20 | #include <stdlib.h> |
| 21 | #include <sys/time.h> |
| 22 | |
| 23 | /* |
| 24 | * On Linux, define the membarrier system call number if not yet available in |
| 25 | * the system headers. |
| 26 | */ |
| 27 | #if (defined(__linux__) && !defined(__NR_membarrier)) |
| 28 | #define __NR_membarrier 343 |
| 29 | #endif |
| 30 | |
| 31 | #define HAS_CAA_GET_CYCLES |
| 32 | typedef unsigned long caa_cycles_t; |
| 33 | |
| 34 | static inline caa_cycles_t caa_get_cycles(void) |
| 35 | { |
| 36 | caa_cycles_t cycles; |
| 37 | |
| 38 | asm volatile("mfctl 16, %0" : "=r" (cycles)); |
| 39 | return cycles; |
| 40 | } |
| 41 | |
| 42 | #ifdef __cplusplus |
| 43 | } |
| 44 | #endif |
| 45 | |
| 46 | #include <urcu/arch/generic.h> |
| 47 | |
| 48 | #endif /* _URCU_ARCH_HPPA_H */ |